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25-02-2021
Mathematics

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The smallest angle in a triangle measures 9 degrees less than the middle angle. The largest angle is 26 degrees more than 3 times the measure of the smallest angle.

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25-02-2021

Answer:

Step-by-step explanation:

A+B+C = 180°

A ≤ B ≤ C

B = A+9

C = 3A+26

A+B+C = A + (A+9) + (3A+26) = 5A + 35° = 180°

5A = 145°

A = 29°

B = A+9 = 38°

C = 3A+26 = 113°

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